The command line in the demo is Hyper (made by the same people as Next): https://hyper.is/ https://hyper.is/ Stylizing is done on the terminal itself, and the

The command line in the demo is Hyper (made by the same people as Next): https://hyper.is/ https://hyper.is/ Stylizing is done on the terminal itself, and then anything (like Quicktime) could do a recording.